itsmattkc
75d4cd899b
The macro defined namespaces confused the hell out of lupdate and more or less broke translations permanently. Looks like the only way we can do it is to have a hardcoded namespace, which goes against my instinct, but honestly how likely is it that we'll change the namespace anyway (I guess forks might want to do it, but that's their problem ;) )
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
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/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "waveform.h"
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#include <QPainter>
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#include <QtMath>
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#include <QDebug>
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#include <QVector2D>
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#include <QVector3D>
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#include "common/qtutils.h"
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#include "config/config.h"
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#include "node/node.h"
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namespace olive {
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WaveformScope::WaveformScope(QWidget* parent) :
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ScopeBase(parent)
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{
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}
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WaveformScope::~WaveformScope()
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{
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OnDestroy();
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}
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ShaderCode WaveformScope::GenerateShaderCode()
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{
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return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/rgbwaveform.frag"),
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FileFunctions::ReadFileAsString(":/shaders/rgbwaveform.vert"));
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}
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void WaveformScope::DrawScope(TexturePtr managed_tex, QVariant pipeline)
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{
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float waveform_scale = 0.80f;
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// Draw waveform through shader
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ShaderJob job;
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// Set viewport size
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job.InsertValue(QStringLiteral("viewport"),
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ShaderValue(QVector2D(width(), height()), NodeParam::kVec2));
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// Set luma coefficients
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double luma_coeffs[3] = {0.0f, 0.0f, 0.0f};
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color_manager()->GetDefaultLumaCoefs(luma_coeffs);
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job.InsertValue(QStringLiteral("luma_coeffs"),
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ShaderValue(QVector3D(luma_coeffs[0], luma_coeffs[1], luma_coeffs[2]), NodeParam::kVec3));
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// Scale of the waveform relative to the viewport surface.
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job.InsertValue(QStringLiteral("waveform_scale"),
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ShaderValue(waveform_scale, NodeParam::kFloat));
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// Insert source texture
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job.InsertValue(QStringLiteral("ove_maintex"),
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ShaderValue(QVariant::fromValue(managed_tex), NodeParam::kTexture));
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renderer()->Blit(pipeline, job, VideoParams(width(), height(),
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static_cast<VideoParams::Format>(Config::Current()["OfflinePixelFormat"].toInt()),
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VideoParams::kInternalChannelCount));
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float waveform_dim_x = ceil((width() - 1.0) * waveform_scale);
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float waveform_dim_y = ceil((height() - 1.0) * waveform_scale);
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float waveform_start_dim_x =
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((width() - 1.0) - waveform_dim_x) / 2.0f;
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float waveform_start_dim_y =
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((height() - 1.0) - waveform_dim_y) / 2.0f;
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float waveform_end_dim_x = (width() - 1.0) - waveform_start_dim_x;
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// Draw line overlays
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QPainter p(inner_widget());
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QFont font;
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font.setPixelSize(10);
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QFontMetrics font_metrics = QFontMetrics(font);
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QString label;
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float ire_increment = 0.1f;
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int ire_steps = qRound(1.0 / ire_increment);
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QVector<QLine> ire_lines(ire_steps + 1);
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int font_x_offset = 0;
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int font_y_offset = font_metrics.capHeight() / 2.0f;
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p.setCompositionMode(QPainter::CompositionMode_Plus);
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p.setPen(QColor(0.0, 0.6 * 255.0, 0.0));
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p.setFont(font);
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for (int i=0; i <= ire_steps; i++) {
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ire_lines[i].setLine(
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waveform_start_dim_x,
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(waveform_dim_y * (i * ire_increment)) + waveform_start_dim_y,
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waveform_end_dim_x,
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(waveform_dim_y * (i * ire_increment)) + waveform_start_dim_y);
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label = QString::number(1.0 - (i * ire_increment), 'f', 1);
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font_x_offset = QtUtils::QFontMetricsWidth(font_metrics, label) + 4;
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p.drawText(
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waveform_start_dim_x - font_x_offset,
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(waveform_dim_y * (i * ire_increment)) + waveform_start_dim_y + font_y_offset,
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label);
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}
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p.drawLines(ire_lines);
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}
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}
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